/**
 * gwt-validator 
 *
 * Copyright (C) 2006  Nikolaus Rumm, Christian Simonutti
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package gwt.validator.client.action;

/**
 * Base class for action implementations.
 * 
 * @author <a href="mailto:nikolaus.rumm@gmail.com">Nikolaus Rumm</a>
 */
public abstract class BaseAction implements Action {

	/**
	 * @see Action#reset()
	 */
	public void reset() {
		// by default we have no state to reset
	}

	/**
	 * Convenience method for checking that an argument is not null.
	 * 
	 * @param aParam
	 *            The argument
	 */
	protected void checkNotNull(Object aParam) {
		if (aParam == null) {
			throw new IllegalArgumentException("The argument must not be null.");
		}
	}
}
